[Xen-devel] DomU dying: Kernel panic - not syncing: Unable to reduce memory reservation

[David F Barrera <dfbp@xxxxxxxxxx>]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=211


While running LTP on Dom0 and DomU on two machines, SLES 9 SP2 and FC4,
DomU
crashed with the following message:  

Kernel panic - not syncing: Unable to reduce memory reservation

-------
changeset:   6572:af78c9d526e0b3502629fb0ef09064920157c0c5
tag:         tip
user:        cl349@xxxxxxxxxxxxxxxxxxxx
date:        Thu Sep  1 05:45:50 2005
summary:     Fix network setup through hotplug on SUSE.
 




-------
Machines: IBM xSeries 335, 2GB Physical RAM. 

[root@x335a ltp]# lspci
00:00.0 Host bridge: Broadcom (formerly ServerWorks) CMIC-LE Host Bridge
(GC-LE
chipset) (rev 33)
00:00.1 Host bridge: Broadcom (formerly ServerWorks) CMIC-LE Host Bridge
(GC-LE
chipset)
00:00.2 Host bridge: Broadcom (formerly ServerWorks) CMIC-LE Host Bridge
(GC-LE
chipset)
00:01.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
00:0f.0 Host bridge: Broadcom (formerly ServerWorks) CSB5 South Bridge
(rev 93)
00:0f.1 IDE interface: Broadcom (formerly ServerWorks) CSB5 IDE
Controller (rev 93)
00:0f.2 USB Controller: Broadcom (formerly ServerWorks) OSB4/CSB5 OHCI
USB
Controller (rev 05)
00:0f.3 ISA bridge: Broadcom (formerly ServerWorks) CSB5 LPC bridge
00:11.0 Host bridge: Broadcom (formerly ServerWorks) CIOB-X2 PCI-X I/O
Bridge
(rev 05)
00:11.2 Host bridge: Broadcom (formerly ServerWorks) CIOB-X2 PCI-X I/O
Bridge
(rev 05)
01:01.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X
Fusion-MPT Dual Ultra320 SCSI (rev 07)
02:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703X
Gigabit
Ethernet (rev 02)
02:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703X
Gigabit
Ethernet (rev 02)


----
xm dmesg:
 __  __            _____  ___         _                _
 \ \/ /___ _ __   |___ / / _ \     __| | _____   _____| |
  \  // _ \ '_ \    |_ \| | | |__ / _` |/ _ \ \ / / _ \ |
  /  \  __/ | | |  ___) | |_| |__| (_| |  __/\ V /  __/ |
 /_/\_\___|_| |_| |____(_)___/    \__,_|\___| \_/ \___|_|
                                                          
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory
 
 Xen version 3.0-devel (root@xxxxxxxxxxxxxxxxxx) (gcc version 3.3.3
(SuSE
Linux)) Thu Sep  1 11:02:45 CDT 2005
 Latest ChangeSet: Thu Sep  1 10:31:12 2005
030a56a24fa66f3f98253caad8dbf6fce62932e9
 
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009d400 (usable)
(XEN)  000000000009d400 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000007ffec140 (usable)
(XEN)  000000007ffec140 - 000000007fff0000 (ACPI data)
(XEN)  000000007fff0000 - 0000000080000000 (reserved)
(XEN)  00000000fec00000 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096676kB)
(XEN) Xen heap: 10MB (10572kB)
(XEN) PAE enabled, limit: 16 GB
(XEN) found SMP MP-table at 0009d540
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 IBM                                   ) @
0x000fdfc0
(XEN) ACPI: RSDT (v001 IBM    SERONYXP 0x00001000 IBM  0x45444f43) @
0x7ffeff80
(XEN) ACPI: FADT (v001 IBM    SERONYXP 0x00001000 IBM  0x45444f43) @
0x7ffeff00
(XEN) ACPI: MADT (v001 IBM    SERONYXP 0x00001000 IBM  0x45444f43) @
0x7ffefe40
(XEN) ACPI: ASF! (v016 IBM    SERONYXP 0x00000001 IBM  0x45444f43) @
0x7ffefd80
(XEN) ACPI: DSDT (v001 IBM    SERTURQU 0x00001000 MSFT 0x0100000b) @
0x00000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 15:2 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x06] enabled)
(XEN) Processor #6 15:2 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
(XEN) Processor #1 15:2 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x07] enabled)
(XEN) Processor #7 15:2 APIC version 20
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x06] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x07] dfl dfl lint[0x1])
(XEN) ACPI: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 14, version 17, address 0xfec00000, GSI 0-15
(XEN) ACPI: IOAPIC (id[0x0d] address[0xfec01000] gsi_base[16])
(XEN) IOAPIC[1]: apic_id 13, version 17, address 0xfec01000, GSI 16-31
(XEN) ACPI: IOAPIC (id[0x0c] address[0xfec02000] gsi_base[32])
(XEN) IOAPIC[2]: apic_id 12, version 17, address 0xfec02000, GSI 32-47
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 3 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Initializing CPU#0
(XEN) Detected 3189.465 MHz processor.
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 8K
(XEN) CPU: L2 cache: 512K
(XEN) CPU: L3 cache: 1024K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU0: Intel(R) Xeon(TM) CPU 3.20GHz stepping 05
(XEN) Booting processor 1/1 eip 90000
(XEN) Initializing CPU#1
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 8K
(XEN) CPU: L2 cache: 512K
(XEN) CPU: L3 cache: 1024K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU1: Intel(R) Xeon(TM) CPU 3.20GHz stepping 05
(XEN) Booting processor 2/6 eip 90000
(XEN) Initializing CPU#2
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 8K
(XEN) CPU: L2 cache: 512K
(XEN) CPU: L3 cache: 1024K
(XEN) CPU: Physical Processor ID: 3
(XEN) CPU2: Intel(R) Xeon(TM) CPU 3.20GHz stepping 05
(XEN) Booting processor 3/7 eip 90000
(XEN) Initializing CPU#3
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 8K
(XEN) CPU: L2 cache: 512K
(XEN) CPU: L3 cache: 1024K
(XEN) CPU: Physical Processor ID: 3
(XEN) CPU3: Intel(R) Xeon(TM) CPU 3.20GHz stepping 05
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) ..TIMER: vector=0x31 pin1=2 pin2=-1
(XEN) checking TSC synchronization across 4 CPUs: passed.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 4 CPUs
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found:
'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000,PAE=yes,LOADER=generic'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   000000007f000000->000000007f800000 (125952 pages
to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c0630e24
(XEN)  Init. ramdisk: c0631000->c0631000
(XEN)  Phys-Mach map: c0631000->c06ae000
(XEN)  Page tables:   c06ae000->c06b7000
(XEN)  Start info:    c06b7000->c06b8000
(XEN)  Boot stack:    c06b8000->c06b9000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing Free RAM: .....................done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen).
(XEN) microcode: CPU1 updated from revision 0x11 to 0x29, date =
08112004
(XEN) microcode: CPU3 updated from revision 0x11 to 0x29, date =
08112004
(XEN) microcode: CPU2 updated from revision 0x11 to 0x29, date =
08112004
(XEN) microcode: CPU0 updated from revision 0x11 to 0x29, date =
08112004
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O
space 000000f8

--------------
x335b:~ # xm log | tail -n 20
[2005-09-01 11:26:42 xend] DEBUG (image:256) ramdisk        =
[2005-09-01 11:26:42 xend] DEBUG (image:257) flags          = 0
[2005-09-01 11:26:42 xend] DEBUG (image:258) vcpus          = 1
[2005-09-01 11:26:42 xend] INFO (XendRoot:141) EVENT> xend.domain.create
['vm1', 1]
[2005-09-01 11:26:42 xend] INFO (xsobj:326) DBMap>introduceDomain> 1
127745
<EventChannel dom1:0:17
dom2:1:2> /domain/e89419e6-1af9-47b8-885c-6b69289a4260
[2005-09-01 11:26:42 xend] DEBUG (XendDomainInfo:683) writing key
availability=online to path /cpu/0 in store
[2005-09-01 11:26:42 xend] WARNING (XendDomainInfo:1096) Unknown config
field boot
[2005-09-01 11:26:42 xend] DEBUG (blkif:24) exception looking up device
number
for 0815: [Errno 2] No such file or directory: '/dev/0815'
[2005-09-01 11:26:43 xend] DEBUG (blkif:24) exception looking up device
number
for 0816: [Errno 2] No such file or directory: '/dev/0816'
[2005-09-01 11:26:43 xend] ERROR (XendDomainInfo:435) ['vif', ['mac',
'aa:00:00:01:79:2c']]
[2005-09-01 11:26:43 xend] ERROR (XendDomainInfo:455) aa:00:00:01:79:2c
[2005-09-01 11:26:43 xend] INFO (XendRoot:141) EVENT>
xend.domain.unpause ['vm1', 1]
[2005-09-01 11:36:38 xend] DEBUG (XendDomain:232) XendDomain>reap>
domain died
name=vm1 id=1
[2005-09-01 11:36:38 xend] INFO (XendDomain:506) Destroying domain:
name=vm1
[2005-09-01 11:36:38 xend] INFO (xsobj:337) DBMap>releaseDomain> 1
[2005-09-01 11:36:38 xend] INFO (XendRoot:141) EVENT> xend.domain.exit
['vm1',
1, 'crash']
[2005-09-01 11:36:38 xend] INFO (XendRoot:141) EVENT>
xend.domain.destroy ['vm1', 1]
[2005-09-01 11:36:38 xend] INFO (XendRoot:141) EVENT> xend.virq 3
[2005-09-01 11:36:38 xend] INFO (XendRoot:141) EVENT> xend.virq 3


-- 
Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                        Euripides


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